Bill Wolff leads a tour group through the visitors' locker room at AT&T Park. Wolff began leading tours in 2002, years after retiring as an executive with Saks Fifth Avenue. The home locker room is off-limits, since Giants players regularly use it to work out or treat injuries.

Bill Wolff leads a tour group through the visitors' locker room at...

At AT&T Park, Bill Wolff is one of 12 tour guides. During a 90-minute walk-through, fans get to visit a dugout, sit in a luxury box, peek at the visiting team's clubhouse and step on the warning track that surrounds the field.

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